Hi, I'm Percy Avalos
I build modern, efficient, and engaging software solutions that elevate user experiences. With nearly 7 years of hands-on expertise, I transform ideas into meaningful digital products using technologies like React.js, Next.js, Node.js, and TailwindCSS. Whether it's web or mobile, every solution I create is grounded in a deep understanding of both the software landscape and user needs.
Lima, Peru
Available for new projects

About me

About Percy Avalos
As a dedicated software engineer, I've been delivering high-quality applications since 2018. Throughout my career, I've specialized in combining technologies like React.js, Next.js, and TailwindCSS on the frontend with Node.js on the backend to create intuitive, scalable software solutions. This balanced skill set ensures each product I develop provides an exceptional user experience, blending aesthetics, responsiveness, and reliability.
My journey as a software engineer is fueled by continuous learning and a passion for innovation. By staying current with emerging tools, frameworks, and industry best practices, I ensure every solution is built to meet modern standards. Beyond coding, I focus on understanding user needs and aligning software features with real-world goals. From the initial concept to the final deployment, I approach every challenge with curiosity, creativity, and a commitment to excellence.
As Percy Avalos, I'm driven to elevate digital experiences through thoughtful design, efficient software architecture, and seamless functionality. Whether it's optimizing performance, improving accessibility, or enhancing usability, my ultimate goal is to craft impactful, meaningful products that genuinely resonate with users and stand the test of time.
Skills
The skills, tools and technologies I am really good at:
Javascript
Typescript
React
Nextj.js
Redux
Node.js
Express.js
Firebase
Supabase
MySQL
PostgreSQL
Tailwind
MongoDB
Git
Railway
AzureDevops
Codex
Experience
Here is a quick summary of my most recent experiences:
Jan 2026 - Present
Frontend Tech Lead
- Lead frontend technical strategy and delivery for high-visibility digital products.
- Drive architecture and execution for No Hay Sin Suerte, a subscription platform serving 300,000+ active users.
- Improve team quality, technical decision-making, and delivery speed through clearer standards and cross-functional alignment.
Jan 2026 - Present
Apr 2024 - Dec 2025
Senior Software Engineer
- Led development of core initiatives for No Hay Sin Suerte using React, Next.js, and TypeScript.
- Acted as a key technical counterpart for client communication and delivery planning.
- Improved platform structure, performance, and scalability to support rapid product growth.
Apr 2024 - Dec 2025
Aug 2022 - May 2024
Frontend Developer
- Led frontend development for a digital banking onboarding platform with biometric validation, facial recognition, and document capture.
- Contributed to secure authentication flows and a microfrontend architecture for financial products.
- Helped reduce load times by 30% and streamline automated account-opening processes.
Aug 2022 - May 2024
Feb 2023 - Mar 2024
Semi Senior Technical Analyst
- Built an account-opening web platform with Next.js and React, plus a mobile banking app with React Native.
- Applied security-focused practices that supported internal compliance and audit readiness.
Feb 2023 - Mar 2024
Nov 2022 - Apr 2024
Systems / Software Analyst
- Led SEO, performance, and product evolution initiatives across web and mobile experiences.
- Translated business requirements into technical solutions that improved visibility, maintainability, and critical user flows.
Nov 2022 - Apr 2024
Apr 2021 - Aug 2022
Frontend / Mobile Developer
- Delivered web and mobile products for a fintech focused on online currency exchange.
- Supported app releases, analytics integrations, and cloud-backed continuous delivery.
Apr 2021 - Aug 2022
2020 - 2021
Full Stack Developer
- Implemented MERN and MEAN stacks to deliver robust software solutions.
- Developed microservices and microfrontends architectures for scalable systems.
- Practiced agile development (Scrum) to streamline collaboration and delivery.
2020 - 2021
Audit Tech
2020
Back-end Developer
- Developed a secure, RESTful API using Node.js.
- Implemented authentication via Facebook, Google, and native strategies using Passport.js.
- Worked with PostgreSQL, MySQL, and SQL Server for efficient database management.
2020
Movil Peru S.A.C
2019
Mobile Developer
- Developed a backend REST API using PHP, MySQL, and JWT for secure sessions.
- Built a web and mobile system for managing tourist travel services using React.js and React Native.
2019
2018 - 2019
Front-end Developer
- Created front-end features with React.js, focusing on responsive and appealing interfaces.
- Built mobile applications using React Native, improving user accessibility and convenience.
- Utilized Firebase for seamless non-relational database management.
2018 - 2019
Work
Some of the noteworthy projects I have built:

No Hay Sin Suerte
Developed by Percy Avalos, a software engineer, this platform created for Peruvian comedian Jorge Luna of 'Hablando Huevadas' supports over 100,000 active subscribers. It consistently delivers weekly giveaways featuring exclusive prizes and brand partnerships. In October 2024, for its anniversary, the platform offered a special giveaway that included a new apartment in San Miguel.

Tucambista
Brought to life by Percy Avalos, a software engineer, TuCambista.pe is a secure online currency exchange platform in Peru, registered with the SBS. It streamlines dollar-to-sol conversions at competitive rates, ensuring transparent, fee-free transactions. Users can register, quote, transfer funds, and receive money directly into their bank accounts, enjoying fast, reliable, and modern software solutions.

Ficohsa
Led by Percy Avalos, a software engineer, this Ficohsa Honduras initiative leverages secure software technologies to offer a fully digital savings account with no minimum balance. Customers benefit from competitive interest rates, convenient transfers via the FicoRED ATM network, and digital management through tools like Interbanca and SARA. With flexible account options in lempiras or dollars, this solution emphasizes user-friendly, efficient banking.
Get in touch
What's next? Feel free to reach out to me if you're looking for a developer, have a query, or simply want to connect.
You may also find me on these platforms!